Table 2 Baseline variables
From: STeroids Against Radiculopathy (STAR) trial: a statistical analysis plan
|  | Control group (n = xxx) | Intervention group 1 (n = xxx) | Intervention group 2 (n = xxx) |
|---|---|---|---|
Participants characteristics | |||
 Female | n/N (%) | n/N (%) | n/N (%) |
 Age (years) | M ± SD | M ± SD | M ± SD |
 BMI | M ± SD | M ± SD | M ± SD |
 Vascular risk factors—no. (%) | x (%) | x (%) | x (%) |
 Joint problems—no. (%) | x (%) | x (%) | x (%) |
 Education level—no. (%)a | |||
  Low | x (%) | x (%) | x (%) |
  Moderate | x (%) | x (%) | x (%) |
  High | x (%) | x (%) | x (%) |
 Married or with a partner—no. (%) | x (%) | x (%) | x (%) |
 Having a paid job—no. (%) | x (%) | x (%) | x (%) |
Neurological examination | |||
 Motor deficit— no. (%) | x (%) | x (%) | x (%) |
 Sensory deficit—no. (%) | x (%) | x (%) | x (%) |
 Pain on straight leg raising—no. (%) | x (%) | x (%) | x (%) |
Level of herniation (MRI)- no (%) | |||
 L3–4 | x (%) | x (%) | x (%) |
 L4–5 | x (%) | x (%) | x (%) |
 L5–S1 | x (%) | x (%) | x (%) |
Primary outcomes | |||
 Leg pain intensity scoreb | M ± SD | M ± SD | M ± SD |
 Back pain intensity scoreb | M ± SD | M ± SD | M ± SD |
 Functional statusc | M ± SD | M ± SD | M ± SD |
Secondary outcomes | |||
 Quality of lifed |  |  |  |